this is definitely Gaskell Street School I went here. The Headmistress was Miss. Fletcher she was a large lady (as I remember) never married and as a treat in the last grade she would on occasion take the English class she inspired me.

The major flaw with the Gaskell St argument is that there were never any trams running outside the school. Folds Rd did have trams but the school was in a different alignment. Other than this, other photos of Derby Street school confirm that this is it!

This is definately Derby Street School. I attended from 1963 to 1967. This was the only school in Bolton entirely for girls, which is why no schoolboys are in the photograph. I have very fond memories of the teachers and school friends I knew then.